hexo-theme-butterfly/source/css/_layout/post.styl

beautify()
  headStyle(fontsize)
    padding-left: unit(fontsize + .4, 'rem')

    code
      font-size: unit(fontsize, 'rem')

    &:before
      margin-left: unit((-(fontsize + .2)), 'rem')
      font-size: unit(fontsize, 'rem')

    &:hover
      padding-left: unit(fontsize + .6, 'rem')

  h1,
  h2,
  h3,
  h4,
  h5,
  h6
    transition: all .2s ease-out

    &:before
      position: absolute
      top: calc(50% - .35rem)
      color: $title-prefix-icon-color
      content: $title-prefix-icon
      line-height: 1
      transition: all .2s ease-out
      @extend .fontawesomeIcon

    &:hover
      &:before
        color: $light-blue

  h1
    headStyle(1)

  h2
    headStyle(.9)

  h3
    headStyle(.8)

  h4
    headStyle(.7)

  h5
    headStyle(.6)

  h6
    headStyle(.6)

  ol,
  ul
    margin-top: .4rem
    padding: 0 0 0 .8rem
    list-style: none
    counter-reset: li

    +maxWidth768()
      padding: 0 0 0 .4rem

    p
      margin: 0 0 .5rem

    ol,
    ul
      padding-left: .6rem

      +maxWidth768()
        padding-left: .2rem

    li
      &:not(.tab)
        position: relative
        margin: .2rem 0

      &:hover
        &:before
          transform: rotate(360deg)

      &:before
        position: absolute
        top: 0
        left: 0
        background: $light-blue
        color: $white
        cursor: pointer
        transition: all .3s ease-out

  ol
    > li
      &:not(.tab)
        padding: .2em .2em .2em 1.8em

      &:before
        margin-top: .65em
        width: w = 1.45em
        height: h = w
        border-radius: .5 * w
        content: counter(li)
        counter-increment: li
        text-align: center
        font-size: .85em
        line-height: h

  ul
    > li:not(.tab)
      padding: .2em .2em .2em 1.4em

      &:hover
        &:before
          border-color: $pseudo-hover

      &:before
        $w = .42em
        top: .78em
        width: w = $w
        height: h = w
        border: .5 * w solid $light-blue
        border-radius: w
        background: transparent
        content: ''
        line-height: h

no-beautify()
  ol,
  ul
    margin-top: .4rem

    p
      margin: 0 0 .5rem

    ol,
    ul
      padding-left: .5rem

    li
      position: relative
      margin: .3rem 0
      padding-left: .3rem

#article-container
  if hexo-config('beautify.enable') && hexo-config('beautify.field') == 'site'
    beautify()
  else if hexo-config('beautify.enable') && hexo-config('beautify.field') == 'post'
    no-beautify()

    &.post-content
      beautify()
  else
    no-beautify()

a
  color: $a-link-color
  text-decoration: none
  word-wrap: break-word
  transition: all .2s
  overflow-wrap: break-word

  &:hover
    color: $light-blue

a.fancybox
  outline: none

  &:focus
    outline: none

  display: inline-block
  width: 100%
  text-align: center

img
  max-width: 100%
  transition: all .2s

.katex-wrap
  overflow: auto

  if hexo-config('katex') && hexo-config('katex.hide_scrollbar')
    &::-webkit-scrollbar
      display: none

.layout_post
  margin: 0 auto
  padding: 2rem 15px
  max-width: 1000px

  img
    display: block

  .tag_share
    .post-meta
      &__tag-list
        display: inline-block

      &__tags
        display: inline-block
        margin: .4rem .4rem .4rem 0
        padding: 0 .6rem
        width: fit-content
        border: 1px solid $light-blue
        border-radius: .6rem
        color: $light-blue
        font-size: .85em
        transition: all .2s ease-in-out

        &:hover
          background: $light-blue
          color: var(--white)

    .post_share
      display: inline-block
      float: right
      margin: .4rem 0
      width: fit-content

      .social-share
        font-size: .85em

        .social-share-icon
          margin: 0 4px
          width: w = 1.85em
          height: w
          font-size: 1.2em
          line-height: w

  .post-copyright
    position: relative
    margin: 2rem 0 .5rem
    padding: .5rem .8rem
    border: 1px solid var(--light-grey)
    transition: box-shadow .3s ease-in-out

    &:before
      position: absolute
      top: t = .5rem
      right: t
      width: w = .8rem
      height: w
      border-radius: w
      background: $light-blue
      content: ''

    &:after
      position: absolute
      top: t = .7rem
      right: t
      width: w = .4rem
      height: w
      border-radius: w
      background: var(--card-bg)
      content: ''

    &:hover
      box-shadow: 0 0 8px 0 rgba(232, 237, 250, .6), 0 2px 4px 0 rgba(232, 237, 250, .5)

    .post-copyright
      &-meta
        color: $light-blue
        font-weight: bold

      &-info
        padding-left: .3rem

        a
          text-decoration: underline
          word-break: break-word

          &:hover
            text-decoration: none

#article-container
  word-wrap: break-word
  overflow-wrap: break-word

  a
    color: $theme-link-color

    &:hover
      text-decoration: underline

  img
    margin: 0 auto .8rem

  p
    margin: 0 0 .8rem

  iframe
    margin: 0 0 1rem

  .post-outdate-notice
    position: relative
    margin: 0 0 1rem
    padding: .5em 1.2em
    border-radius: 3px
    background-color: $noticeOutdate-bg
    color: $noticeOutdate-color

    if hexo-config('noticeOutdate.style') == 'flat'
      padding: .5em 1em .5em 2.6em
      border-left: 5px solid $noticeOutdate-border

      &:before
        @extend .fontawesomeIcon
        position: absolute
        top: 50%
        left: .9em
        color: $noticeOutdate-border
        content: '\f071'
        transform: translateY(-50%)

+maxWidth1024()
  .layout_post
    width: auto

+maxWidth768()
  .layout_post
    padding: 1rem 5px

    & > #post
      padding: 1.8rem .7rem

// adjust the layout width in big screen
+minWidth2000()
  .layout_post
    max-width: 1300px

  .layout_page
    max-width: 1500px

    &.hide-aside
      max-width: 1300px